On Wed, Jul 10, 2013 at 08:59:51PM +0530, Ramkumar Ramachandra wrote:
> Jeff King wrote:
> > git rev-list --objects HEAD |
> > git cat-file --batch-check='%(objectsize) %(text)'
> If anything, I would have expected %(rest), not %(text). This atom is
> specific to commands that accept input via stdin (i.e. not log, f-e-r,
> branch, or anything else I can think of).
I considered %(rest) as well. I don't have a strong preference.
> Also, this makes me wonder if %(field:0), %(field:1), and probably
> %(field:@) are good ideas. Even if we go down that road, I don't
> think %(rest) is a problem per-se.
I don't have a use for them, and even if we want to add them later, you
would still want to support %(rest) for when the user wants to take the
rest of the line verbatim without caring about field-splitting.
To be honest, I do not see %(field) as all that useful. If you want to
go about rearranging or selecting fields, that is what "cut" (or "awk")
is for. Having fields means you need to specify field separators, and
how runs of separators are treated. Other tools already do this.
So it would (at best) save you from an extra cut invocation, whereas
%(rest) gets you out of doing something much more difficult. Without it,
information is lost from your pipeline (so you have to have tee to a
separate pipeline, and then reassemble the pieces).
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